About: http://webisa.webdatacommons.org/405446035

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When other materials such as rubber or silicone are used for plug member 18, it may be necessary to provide larger spacings between the inner and outer members, such as on the order of one-half inch where possible.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com